Patent US3409129A successfully refreshed from Google Patents.
Patent US3202905A successfully refreshed from Google Patents.
US3202905A
Expired / Lapsed
US
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Remotely controlled attenuator devices
Assignee: STRAZA IND
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Filing: 1962-01-02
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Granted: 1965-08-24
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Aldan D Gomez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:41
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/24; H03H7/27; H03G; H03G1/00; H03G1/0005; H03G1/0035; H03G1/0047; H05; H05B; H05B33/00; H05B33/12; H05B44/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A REMOTELY CONTROLLED VARIABLEE ATTENUATOR FOR USE IN A CIRCCUIT BETWEEN A VOLTAGE SOURCE AND A LOAD CIRCUIT TO CONTROL THE VOLTAGE APPLIED TO THE LOAD CIRCUIT, SAID ATTENUATOR COMPRISING: (A) A HERMIETICALLY SEALED HOUSING HAVING TWO TERMINAL GROUPS EACH CONSISTING OF THREE TERMINALS; (B) A PAIR OF PHOTOOCONDUCTIVE ELEMENTS IN SAID HOUSING CONNECTED IN SERIES CIRCUIT ARRANGEMENT BETWEEN TWO OF ONE GROUP OF THREE TERMINALS WITHH THE THIRD TERMINAL OF SAID ONE GROUP CONNECTED TO A CCOMMON POINT BETWEEN SAID PHOTTOCONDUCTIVE ELEMENTS; (C) A PAIR OF ELECTROLUMINESCENT LIGHT SOURCES ARRANGED AND POSITIONED SO THAT EACH IUMINATES ONLY ONE PHOTOCONDUCTIVE ELEMENT;
Claim 2
Dependent Claim
101 words
A REMOTELY CONTROLLED VARIABLEE ATTENUATOR FOR USE IN A CIRCCUIT BETWEEN A VOLTAGE SOURCE AND A LOAD CIRCUIT TO CONTROL THE VOLTAGE APPLIED TO THE LOAD CIRCUIT, SAID ATTENUATOR COMPRISING: (A) A HERMIETICALLY SEALED HOUSING HAVING TWO TERMINAL GROUPS EACH CONSISTING OF THREE TERMINALS; (B) A PAIR OF PHOTOOCONDUCTIVE ELEMENTS IN SAID HOUSING CONNECTED IN SERIES CIRCUIT ARRANGEMENT BETWEEN TWO OF ONE GROUP OF THREE TERMINALS WITHH THE THIRD TERMINAL OF SAID ONE GROUP CONNECTED TO A CCOMMON POINT BETWEEN SAID PHOTTOCONDUCTIVE ELEMENTS; (C) A PAIR OF ELECTROLUMINESCENT LIGHT SOURCES ARRANGED AND POSITIONED SO THAT EACH IUMINATES ONLY ONE PHOTOCONDUCTIVE ELEMENT;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |